A predatory dinosaur with bony bumps on its arms and a strange hump on its back provides evidence that feathers began to appear earlier than researchers thought, according to a report in Nature today.

The new species, named Concavenator corcovatus, was about 4 metres long from nose to tail and lived during the Early Cretaceous period, about 130 million years ago.

Read the rest of this news story on Nature News [html] or here [pdf].

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